Method GetChannelValue

lib/mdflib/mdflib/src/ichannelobserver.cpp:106–157

template <>
bool IChannelObserver::GetChannelValue(uint64_t sample, std::string& value, uint64_t array_index) const {
  bool valid = false;
  value.clear();
  switch (channel_.DataType()) {
    case ChannelDataType::UnsignedIntegerLe:
    case ChannelDataType::UnsignedIntegerBe: {
      uint64_t v = 0;
      valid = GetSampleUnsigned(sample, v, array_index);
      value = std::to_string(v);
      break;
    }

    case ChannelDataType::SignedIntegerLe:
    case ChannelDataType::SignedIntegerBe: {
      int64_t v = 0;
      valid = GetSampleSigned(sample, v, array_index);
      value = std::to_string(v);
      break;
    }

    case ChannelDataType::FloatLe:
    case ChannelDataType::FloatBe: {
      double v = 0.0;
      valid = GetSampleFloat(sample, v, array_index);
      value = MdfHelper::FormatDouble(
          v, channel_.IsDecimalUsed() ? channel_.Decimals() : 6);
      break;
    }

    case ChannelDataType::StringAscii:
    case ChannelDataType::StringUTF8:
    case ChannelDataType::StringUTF16Le:
    case ChannelDataType::StringUTF16Be:
    case ChannelDataType::MimeStream:
    case ChannelDataType::MimeSample:
    case ChannelDataType::ByteArray: {
      valid = GetSampleText(sample, value, array_index);
      break;
    }

    case ChannelDataType::CanOpenDate:
    case ChannelDataType::CanOpenTime: {
      uint64_t ns_since_1970 = 0;
      valid = GetSampleUnsigned(sample, ns_since_1970, array_index);
      value = MdfHelper::NsToLocalIsoTime(ns_since_1970);
      break;
    }
    default:
      break;
  }
  return valid;
}

template <>
bool IChannelObserver::GetChannelValue(uint64_t sample,